////
//
/// \file ./test/function_call_node_test.cpp
//
//  Copyright 2007, 2008 Chandler Carruth
//
//  Licensed under the Apache License, Version 2.0 (the "License"); you may not
//  use this file except in compliance with the License.  You may obtain a copy
//  of the License at
//
//    http://www.apache.org/licenses/LICENSE-2.0
//
//  Unless required by applicable law or agreed to in writing, software
//  distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
//  WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the
//  License for the specific language governing permissions and limitations
//  under the License.
//
////

#include <inc/parser/function_call_node.hpp>

#include <string>

#include <gtest/gtest.h>

#include <inc/parser/utilities.hpp>

namespace inc {
namespace parser {

using std::string;

TEST(FunctionCallNodeTest, parse_basic)
{
  const string data[] =
      { "foo()", "foo( )", "foo( 0 )", "foo(0,)", "foo( 0 , )",
        "@foo(0)", ".foo(0)", ".foo.bar(0)", "@( (.foo)[0] )(0)",
        "foo( a )", "foo(a,b)", "foo( a , b , c )", "foo(a,b,c,)",
        "foo( (x + y), (z - w) )" };
  for( int i = 0 ; i < elementsof( data ) ; ++i )
  {
    FunctionCallNode node;
    string::const_iterator last_parsed;
    EXPECT_TRUE( node.parse( data[i].begin(), data[i].end(), last_parsed ) )
        << "Failed to parse: '" << data[i] << "'";
    EXPECT_EQ( data[i], string( data[i].begin(), last_parsed ) );
    EXPECT_EQ( data[i], node.get_text() );
    EXPECT_TRUE( node.get_name() != NULL )
        << "Failed to parse a function name: '" << data[i] << "'";
  }
}

TEST(FunctionCallNodeTest, parse_fail)
{
  const string data[] = { "foo(,)", "foo(,,,)" };
  for( int i = 0 ; i < elementsof( data ) ; ++i )
  {
    FunctionCallNode node;
    string::const_iterator last_parsed = data[i].end();
    EXPECT_FALSE( node.parse( data[i].begin(), data[i].end(), last_parsed ) )
        << "Erroneously parsed: '" << data[i] << "'";
    EXPECT_EQ( string(), string( data[i].begin(), last_parsed ) );
  }
}

} //  end parser namespace
} //  end inc namespace
